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18121 Konovalenko (2000 NF25)
Classification: Outer Main-belt Asteroid          SPK-ID: 2018121
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2268061927473132 7.5391e-08  
a 3.238568593680102 4.0813e-08 AU
q 2.504041180996498 2.445e-07 AU
i .983893572442175 6.6329e-06 deg
node 44.91487486477741 0.00050105 deg
peri 310.3144740075079 0.00050116 deg
M 101.3126836772396 1.6344e-05 deg
tp 2456201.413689794472
(2012-Sep-30.91368979)
9.2236e-05 JED
period 2128.76674317573
5.83
4.0241e-05
1.102e-07
d
yr
n .1691119993085508 3.1968e-09 deg/d
Q 3.973096006363706 5.007e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      7576 days (20.74 yr)  
   first obs. used      1993-04-26  
   last obs. used      2014-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58116  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:01:50  

Additional Information
 Earth MOID = 1.49828 AU 
 T_jup = 3.143 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO253490  

18121 Konovalenko           Discovered 2000 July 4 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Alexandr A. Konovalenko (b. 1951) is an academician at the Ukrainian National Academy of Sciences and a well-known radioastronomer. He is active in astrophysics and instrumentation using the largest decameter radio telescope (UTR-2). The name was suggested by D. F. Lupishko.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 2000 NF25 = 1994 NV8 = 1995 VO7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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